wscript

   1 #
   2 #    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
   3 #
   4 #    This file is part of DCP-o-matic.
   5 #
   6 #    DCP-o-matic is free software; you can redistribute it and/or modify
   7 #    it under the terms of the GNU General Public License as published by
   8 #    the Free Software Foundation; either version 2 of the License, or
   9 #    (at your option) any later version.
  10 #
  11 #    DCP-o-matic is distributed in the hope that it will be useful,
  12 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #    GNU General Public License for more details.
  15 #
  16 #    You should have received a copy of the GNU General Public License
  17 #    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 from __future__ import print_function
  21
  22 import subprocess
  23 import os
  24 import shlex
  25 import sys
  26 import glob
  27 import distutils
  28 import distutils.spawn
  29 try:
  30     # python 2
  31     from urllib import urlencode
  32 except ImportError:
  33     # python 3
  34     from urllib.parse import urlencode
  35 from waflib import Logs, Context
  36
  37 APPNAME = 'dcpomatic'
  38 libdcp_version = '1.8.73'
  39 libsub_version = '1.6.42'
  40
  41 this_version = subprocess.Popen(shlex.split('git tag -l --points-at HEAD'), stdout=subprocess.PIPE).communicate()[0]
  42 last_version = subprocess.Popen(shlex.split('git describe --tags --match v* --abbrev=0'), stdout=subprocess.PIPE).communicate()[0]
  43
  44 # Python 2/3 compatibility; I don't really understand what's going on here
  45 if not isinstance(this_version, str):
  46     this_version = this_version.decode('utf-8')
  47 if not isinstance(last_version, str):
  48     last_version = last_version.decode('utf-8')
  49
  50 if this_version == '' or this_version == 'merged-to-main':
  51     VERSION = '%sdevel' % last_version[1:].strip()
  52 else:
  53     VERSION = this_version[1:].strip()
  54
  55 def options(opt):
  56     opt.load('compiler_cxx')
  57     opt.load('winres')
  58
  59     opt.add_option('--enable-debug',      action='store_true', default=False, help='build with debugging information and without optimisation')
  60     opt.add_option('--disable-gui',       action='store_true', default=False, help='disable building of GUI tools')
  61     opt.add_option('--disable-tests',     action='store_true', default=False, help='disable building of tests')
  62     opt.add_option('--target-windows-64', action='store_true', default=False, help='set up to do a cross-compile for Windows 64-bit')
  63     opt.add_option('--target-windows-32', action='store_true', default=False, help='set up to do a cross-compile for Windows 32-bit')
  64     opt.add_option('--target-macos-arm64', action='store_true', default=False, help='set up to do a cross-compile for macOS arm64')
  65     opt.add_option('--static-dcpomatic',  action='store_true', default=False, help='link to components of DCP-o-matic statically')
  66     opt.add_option('--static-boost',      action='store_true', default=False, help='link statically to Boost')
  67     opt.add_option('--static-wxwidgets',  action='store_true', default=False, help='link statically to wxWidgets')
  68     opt.add_option('--static-ffmpeg',     action='store_true', default=False, help='link statically to FFmpeg')
  69     opt.add_option('--static-xmlpp',      action='store_true', default=False, help='link statically to libxml++')
  70     opt.add_option('--static-xmlsec',     action='store_true', default=False, help='link statically to xmlsec')
  71     opt.add_option('--static-ssh',        action='store_true', default=False, help='link statically to libssh')
  72     opt.add_option('--static-cxml',       action='store_true', default=False, help='link statically to libcxml')
  73     opt.add_option('--static-dcp',        action='store_true', default=False, help='link statically to libdcp')
  74     opt.add_option('--static-sub',        action='store_true', default=False, help='link statically to libsub')
  75     opt.add_option('--static-curl',       action='store_true', default=False, help='link statically to libcurl')
  76     opt.add_option('--workaround-gssapi', action='store_true', default=False, help='link to gssapi_krb5')
  77     opt.add_option('--use-lld',           action='store_true', default=False, help='use lld linker')
  78     opt.add_option('--enable-disk',       action='store_true', default=False, help='build dcpomatic2_disk tool; requires Boost process, lwext4 and nanomsg libraries')
  79     opt.add_option('--enable-grok',       action='store_true', default=False, help='build with support for grok J2K encoder')
  80     opt.add_option('--warnings-are-errors', action='store_true', default=False, help='build with -Werror')
  81     opt.add_option('--wx-config',         help='path to wx-config')
  82
  83 def configure(conf):
  84     conf.load('compiler_cxx')
  85     conf.load('clang_compilation_database', tooldir=['waf-tools'])
  86     if conf.options.target_windows_64 or conf.options.target_windows_32:
  87         conf.load('winres')
  88
  89     # Save conf.options that we need elsewhere in conf.env
  90     conf.env.DISABLE_GUI = conf.options.disable_gui
  91     conf.env.DISABLE_TESTS = conf.options.disable_tests
  92     conf.env.TARGET_WINDOWS_64 = conf.options.target_windows_64
  93     conf.env.TARGET_WINDOWS_32 = conf.options.target_windows_32
  94     conf.env.TARGET_OSX = sys.platform == 'darwin'
  95     conf.env.TARGET_LINUX = not conf.env.TARGET_WINDOWS_64 and not conf.env.TARGET_WINDOWS_32 and not conf.env.TARGET_OSX
  96     conf.env.VERSION = VERSION
  97     conf.env.DEBUG = conf.options.enable_debug
  98     conf.env.STATIC_DCPOMATIC = conf.options.static_dcpomatic
  99     conf.env.ENABLE_DISK = conf.options.enable_disk
 100     conf.env.ENABLE_GROK = conf.options.enable_grok
 101     if conf.options.destdir == '':
 102         conf.env.INSTALL_PREFIX = conf.options.prefix
 103     else:
 104         conf.env.INSTALL_PREFIX = conf.options.destdir
 105
 106     # Common CXXFLAGS
 107     conf.env.append_value('CXXFLAGS', ['-D__STDC_CONSTANT_MACROS',
 108                                        '-D__STDC_LIMIT_MACROS',
 109                                        '-D__STDC_FORMAT_MACROS',
 110                                        '-fno-strict-aliasing',
 111                                        '-Wall',
 112                                        '-Wextra',
 113                                        '-Wwrite-strings',
 114                                        '-Wno-error=deprecated',
 115                                        # getMessengerLogger() in the grok code triggers these warnings
 116                                        '-Wno-nonnull',
 117                                        # I tried and failed to ignore these with _Pragma
 118                                        '-Wno-ignored-qualifiers',
 119                                        '-D_FILE_OFFSET_BITS=64',
 120                                        '-std=c++11'])
 121
 122     if conf.options.warnings_are_errors:
 123         conf.env.append_value('CXXFLAGS', '-Werror')
 124
 125     if not conf.options.target_macos_arm64:
 126         conf.env.append_value('CXXFLAGS', '-msse')
 127
 128     if conf.env['CXX_NAME'] == 'gcc':
 129         gcc = conf.env['CC_VERSION']
 130         if int(gcc[0]) >= 8:
 131             # I tried and failed to ignore these with _Pragma
 132             conf.env.append_value('CXXFLAGS', ['-Wno-cast-function-type'])
 133         # Most gccs still give these warnings from boost::optional
 134         conf.env.append_value('CXXFLAGS', ['-Wno-maybe-uninitialized'])
 135         if int(gcc[0]) > 4:
 136             # gcc 4.8.5 on Centos 7 does not have this warning
 137             conf.env.append_value('CXXFLAGS', ['-Wsuggest-override'])
 138
 139     if conf.options.enable_debug:
 140         conf.env.append_value('CXXFLAGS', ['-g', '-DDCPOMATIC_DEBUG', '-fno-omit-frame-pointer'])
 141     else:
 142         conf.env.append_value('CXXFLAGS', '-O2')
 143
 144     if conf.options.enable_disk:
 145         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_DISK')
 146
 147     if conf.options.enable_grok:
 148         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_GROK')
 149
 150     if conf.options.use_lld:
 151         try:
 152             conf.find_program('ld.lld')
 153             conf.env.append_value('LINKFLAGS', '-fuse-ld=lld')
 154         except conf.errors.ConfigurationError:
 155             pass
 156
 157     #
 158     # Windows/Linux/OS X specific
 159     #
 160
 161     # Windows
 162     if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 163         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_WINDOWS')
 164         conf.env.append_value('CXXFLAGS', '-DWIN32_LEAN_AND_MEAN')
 165         conf.env.append_value('CXXFLAGS', '-DBOOST_USE_WINDOWS_H')
 166         conf.env.append_value('CXXFLAGS', '-DBOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN')
 167         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 168         conf.env.append_value('CXXFLAGS', '-Wcast-align')
 169         wxrc = os.popen('wx-config --rescomp').read().split()[1:]
 170         conf.env.append_value('WINRCFLAGS', wxrc)
 171         if conf.options.enable_debug:
 172             conf.env.append_value('CXXFLAGS', ['-mconsole'])
 173             conf.env.append_value('LINKFLAGS', ['-mconsole'])
 174         conf.check(lib='ws2_32', uselib_store='WINSOCK2', msg="Checking for library winsock2")
 175         conf.check(lib='dbghelp', uselib_store='DBGHELP', msg="Checking for library dbghelp")
 176         conf.check(lib='shlwapi', uselib_store='SHLWAPI', msg="Checking for library shlwapi")
 177         conf.check(lib='mswsock', uselib_store='MSWSOCK', msg="Checking for library mswsock")
 178         conf.check(lib='ole32', uselib_store='OLE32', msg="Checking for library ole32")
 179         conf.check(lib='dsound', uselib_store='DSOUND', msg="Checking for library dsound")
 180         conf.check(lib='winmm', uselib_store='WINMM', msg="Checking for library winmm")
 181         conf.check(lib='ksuser', uselib_store='KSUSER', msg="Checking for library ksuser")
 182         conf.check(lib='setupapi', uselib_store='SETUPAPI', msg="Checking for library setupapi")
 183         conf.check(lib='uuid', uselib_store='UUID', msg="Checking for library uuid")
 184         boost_lib_suffix = '-mt-x32' if conf.options.target_windows_32 else '-mt-x64'
 185         boost_thread = 'boost_thread' + boost_lib_suffix
 186         conf.check_cxx(fragment="""
 187                                #include <boost/locale.hpp>\n
 188                                int main() { std::locale::global (boost::locale::generator().generate ("")); }\n
 189                                """,
 190                                msg='Checking for boost locale library',
 191                                libpath='/usr/local/lib',
 192                                lib=['boost_locale%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 193                                uselib_store='BOOST_LOCALE')
 194
 195     # POSIX
 196     if conf.env.TARGET_LINUX or conf.env.TARGET_OSX:
 197         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_POSIX')
 198         boost_lib_suffix = ''
 199         boost_thread = 'boost_thread'
 200         conf.env.append_value('LINKFLAGS', '-pthread')
 201
 202     # Linux
 203     if conf.env.TARGET_LINUX:
 204         conf.env.append_value('CXXFLAGS', '-mfpmath=sse')
 205         conf.env.append_value('CXXFLAGS', '-DLINUX_LOCALE_PREFIX="%s/share/locale"' % conf.env['INSTALL_PREFIX'])
 206         conf.env.append_value('CXXFLAGS', '-DLINUX_SHARE_PREFIX="%s/share"' % conf.env['INSTALL_PREFIX'])
 207         conf.env.append_value('CXXFLAGS', '-DDCPOMATIC_LINUX')
 208         conf.env.append_value('CXXFLAGS', ['-Wlogical-op', '-Wcast-align'])
 209         conf.check(lib='dl', uselib_store='DL', msg='Checking for library dl')
 210
 211     # OSX
 212     if conf.env.TARGET_OSX:
 213         conf.env.append_value('CXXFLAGS', ['-DDCPOMATIC_OSX', '-DGL_SILENCE_DEPRECATION'])
 214         conf.env.append_value('LINKFLAGS', '-headerpad_max_install_names')
 215
 216     #
 217     # Dependencies.
 218     #
 219
 220     # It should be possible to use check_cfg for both dynamic and static linking, but
 221     # e.g. pkg-config --libs --static foo returns some libraries that should be statically
 222     # linked and others that should be dynamic.  This doesn't work too well with waf
 223     # as it wants them separate.
 224
 225     # libcurl
 226     if conf.options.static_curl:
 227         conf.env.STLIB_CURL = ['curl']
 228         conf.env.LIB_CURL = ['ssh2', 'idn']
 229     else:
 230         conf.check_cfg(package='libcurl', args='libcurl >= 7.19.1 --cflags --libs', uselib_store='CURL', mandatory=True)
 231
 232     # libicu
 233     if conf.check_cfg(package='icu-i18n', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 234         if conf.check_cfg(package='icu', args='--cflags --libs', uselib_store='ICU', mandatory=False) is None:
 235             conf.check_cxx(fragment="""
 236                             #include <unicode/ucsdet.h>
 237                             int main(void) {
 238                                 UErrorCode status = U_ZERO_ERROR;
 239                                 UCharsetDetector* detector = ucsdet_open (&status);
 240                                 return 0; }\n
 241                             """,
 242                        mandatory=True,
 243                        msg='Checking for libicu',
 244                        okmsg='yes',
 245                        libpath=['/usr/local/lib', '/usr/lib', '/usr/lib/x86_64-linux-gnu'],
 246                        lib=['icuio', 'icui18n', 'icudata', 'icuuc'],
 247                        uselib_store='ICU')
 248
 249     # libsamplerate
 250     conf.check_cfg(package='samplerate', args='--cflags --libs', uselib_store='SAMPLERATE', mandatory=True)
 251
 252     # glib
 253     conf.check_cfg(package='glib-2.0', args='--cflags --libs', uselib_store='GLIB', mandatory=True)
 254
 255     # libzip
 256     conf.check_cfg(package='libzip', args='--cflags --libs', uselib_store='ZIP', mandatory=True)
 257     conf.check_cxx(fragment="""
 258                             #include <zip.h>
 259                             int main() { zip_source_t* foo; (void)foo; }
 260                             """,
 261                    mandatory=False,
 262                    msg="Checking for zip_source_t",
 263                    uselib="ZIP",
 264                    define_name='DCPOMATIC_HAVE_ZIP_SOURCE_T'
 265                    )
 266     conf.check_cxx(fragment="""
 267                             #include <zip.h>
 268                             int main() { struct zip* zip = nullptr; zip_source_t* source = nullptr; zip_file_add(zip, "foo", source, ZIP_FL_ENC_GUESS); }
 269                             """,
 270                    mandatory=False,
 271                    msg="Checking for zip_file_add",
 272                    uselib="ZIP",
 273                    define_name='DCPOMATIC_HAVE_ZIP_FILE_ADD'
 274                    )
 275
 276     # libbz2; must be explicitly linked on macOS for some reason
 277     conf.check_cxx(fragment="""
 278                             #include <bzlib.h>
 279                             int main() { BZ2_bzCompressInit(0, 0, 0, 0); }
 280                             """,
 281                    mandatory=True,
 282                    msg="Checking for libbz2",
 283                    okmsg='yes',
 284                    lib='bz2',
 285                    uselib_store="BZ2"
 286                    )
 287
 288     # fontconfig
 289     conf.check_cfg(package='fontconfig', args='--cflags --libs', uselib_store='FONTCONFIG', mandatory=True)
 290
 291     # pangomm
 292     conf.check_cfg(package='pangomm-1.4', args='--cflags --libs', uselib_store='PANGOMM', mandatory=True)
 293
 294     # cairomm
 295     conf.check_cfg(package='cairomm-1.0', args='--cflags --libs', uselib_store='CAIROMM', mandatory=True)
 296
 297     # leqm_nrt
 298     conf.check_cfg(package='leqm_nrt', args='--cflags --libs', uselib_store='LEQM_NRT', mandatory=True)
 299
 300     # libcxml
 301     if conf.options.static_cxml:
 302         conf.check_cfg(package='libcxml', args='libcxml >= 0.17.0 --cflags', uselib_store='CXML', mandatory=True)
 303         conf.env.STLIB_CXML = ['cxml']
 304     else:
 305         conf.check_cfg(package='libcxml', args='libcxml >= 0.16.0 --cflags --libs', uselib_store='CXML', mandatory=True)
 306
 307     # libssh
 308     if conf.options.static_ssh:
 309         conf.env.STLIB_SSH = ['ssh']
 310         if conf.options.workaround_gssapi:
 311             conf.env.LIB_SSH = ['gssapi_krb5']
 312     else:
 313         conf.check_cxx(fragment="""
 314                                #include <libssh/libssh.h>\n
 315                                int main () {\n
 316                                ssh_new ();\n
 317                                return 0;\n
 318                                }
 319                                """,
 320                       msg='Checking for library libssh',
 321                       mandatory=True,
 322                       lib='ssh',
 323                       uselib_store='SSH')
 324
 325     # libdcp
 326     if conf.options.static_dcp:
 327         conf.check_cfg(package='libdcp-1.0', args='libdcp-1.0 >= %s --cflags' % libdcp_version, uselib_store='DCP', mandatory=True)
 328         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 329         conf.env.STLIB_DCP = ['dcp-1.0', 'asdcp-carl', 'kumu-carl', 'openjp2']
 330         conf.env.LIB_DCP = ['glibmm-2.4', 'ssl', 'crypto', 'bz2', 'xslt', 'xerces-c']
 331     else:
 332         conf.check_cfg(package='libdcp-1.0', args='libdcp-1.0 >= %s --cflags --libs' % libdcp_version, uselib_store='DCP', mandatory=True)
 333         conf.env.DEFINES_DCP = [f.replace('\\', '') for f in conf.env.DEFINES_DCP]
 334
 335     # libsub
 336     if conf.options.static_sub:
 337         conf.check_cfg(package='libsub-1.0', args='libsub-1.0 >= %s --cflags' % libsub_version, uselib_store='SUB', mandatory=True)
 338         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 339         conf.env.STLIB_SUB = ['sub-1.0']
 340     else:
 341         conf.check_cfg(package='libsub-1.0', args='libsub-1.0 >= %s --cflags --libs' % libsub_version, uselib_store='SUB', mandatory=True)
 342         conf.env.DEFINES_SUB = [f.replace('\\', '') for f in conf.env.DEFINES_SUB]
 343
 344     # libxml++
 345     if conf.options.static_xmlpp:
 346         conf.env.STLIB_XMLPP = ['xml++-2.6']
 347         conf.env.LIB_XMLPP = ['xml2']
 348     else:
 349         conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='XMLPP', mandatory=True)
 350
 351     # libxmlsec
 352     if conf.options.static_xmlsec:
 353         if conf.check_cxx(lib='xmlsec1-openssl', mandatory=False):
 354             conf.env.STLIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 355         else:
 356             conf.env.STLIB_XMLSEC = ['xmlsec1']
 357     else:
 358         conf.env.LIB_XMLSEC = ['xmlsec1-openssl', 'xmlsec1']
 359
 360     # nettle
 361     conf.check_cfg(package="nettle", args='--cflags --libs', uselib_store='NETTLE', mandatory=True)
 362
 363     # libpng
 364     conf.check_cfg(package='libpng', args='--cflags --libs', uselib_store='PNG', mandatory=True)
 365
 366     # libjpeg
 367     conf.check_cxx(fragment="""
 368                             #include <cstddef>
 369                             #include <cstdio>
 370                             #include <jpeglib.h>
 371                             int main() { struct jpeg_compress_struct compress; jpeg_create_compress (&compress); return 0; }
 372                             """,
 373                    msg='Checking for libjpeg',
 374                    libpath='/usr/local/lib',
 375                    lib=['jpeg'],
 376                    uselib_store='JPEG')
 377
 378     # lwext4
 379     if conf.options.enable_disk:
 380         conf.check_cxx(fragment="""
 381                                 #include <lwext4/ext4.h>\n
 382                                 int main() { ext4_mount("ext4_fs", "/mp/", false); }\n
 383                                 """,
 384                                 msg='Checking for lwext4 library',
 385                                 libpath='/usr/local/lib',
 386                                 lib=['lwext4', 'blockdev'],
 387                                 uselib_store='LWEXT4')
 388
 389     if conf.env.TARGET_LINUX and conf.options.enable_disk:
 390         conf.check_cfg(package='polkit-gobject-1', args='--cflags --libs', uselib_store='POLKIT', mandatory=True)
 391
 392     # nanomsg
 393     if conf.options.enable_disk:
 394         if conf.check_cfg(package='nanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=False) is None:
 395             conf.check_cfg(package='libnanomsg', args='--cflags --libs', uselib_store='NANOMSG', mandatory=True)
 396         if conf.env.TARGET_LINUX:
 397             # We link with nanomsg statically on Centos 8 so we need to link this as well
 398             conf.env.LIB_NANOMSG.append('anl')
 399
 400     # FFmpeg
 401     if conf.options.static_ffmpeg:
 402         names = ['avformat', 'avfilter', 'avcodec', 'avutil', 'swscale', 'postproc', 'swresample']
 403         for name in names:
 404             static = subprocess.Popen(shlex.split('pkg-config --static --libs lib%s' % name), stdout=subprocess.PIPE).communicate()[0].decode('utf-8')
 405             libs = []
 406             stlibs = []
 407             include = []
 408             libpath = []
 409             for s in static.split():
 410                 if s.startswith('-L'):
 411                     libpath.append(s[2:])
 412                 elif s.startswith('-I'):
 413                     include.append(s[2:])
 414                 elif s.startswith('-l'):
 415                     if s[2:] not in names:
 416                         libs.append(s[2:])
 417                     else:
 418                         stlibs.append(s[2:])
 419
 420             conf.env['LIB_%s' % name.upper()] = libs
 421             conf.env['STLIB_%s' % name.upper()] = stlibs
 422             conf.env['INCLUDES_%s' % name.upper()] = include
 423             conf.env['LIBPATH_%s' % name.upper()] = libpath
 424     else:
 425         conf.check_cfg(package='libavformat', args='--cflags --libs', uselib_store='AVFORMAT', mandatory=True)
 426         conf.check_cfg(package='libavfilter', args='--cflags --libs', uselib_store='AVFILTER', mandatory=True)
 427         conf.check_cfg(package='libavcodec', args='--cflags --libs', uselib_store='AVCODEC', mandatory=True)
 428         conf.check_cfg(package='libavutil', args='--cflags --libs', uselib_store='AVUTIL', mandatory=True)
 429         conf.check_cfg(package='libswscale', args='--cflags --libs', uselib_store='SWSCALE', mandatory=True)
 430         conf.check_cfg(package='libpostproc', args='--cflags --libs', uselib_store='POSTPROC', mandatory=True)
 431         conf.check_cfg(package='libswresample', args='--cflags --libs', uselib_store='SWRESAMPLE', mandatory=True)
 432
 433     # Check to see if we have our version of FFmpeg that allows us to get at EBUR128 results
 434     conf.check_cxx(fragment="""
 435                             extern "C" {\n
 436                             #include <libavfilter/f_ebur128.h>\n
 437                             }\n
 438                             int main () { av_ebur128_get_true_peaks (0); }\n
 439                             """,
 440                    msg='Checking for EBUR128-patched FFmpeg',
 441                    uselib='AVCODEC AVFILTER AVUTIL SWRESAMPLE',
 442                    define_name='DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG',
 443                    mandatory=False)
 444
 445     # Check to see if we have our AVSubtitleRect has a pict member
 446     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 447     conf.check_cxx(fragment="""
 448                             extern "C" {\n
 449                             #include <libavcodec/avcodec.h>\n
 450                             }\n
 451                             int main () { AVSubtitleRect r; r.pict; }\n
 452                             """,
 453                    msg='Checking for AVSubtitleRect::pict',
 454                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 455                    uselib='AVCODEC',
 456                    define_name='DCPOMATIC_HAVE_AVSUBTITLERECT_PICT',
 457                    mandatory=False)
 458
 459     # Check to see if we have our AVComponentDescriptor has a depth_minus1 member
 460     # Older versions (e.g. that shipped with Ubuntu 16.04) do
 461     conf.check_cxx(fragment="""
 462                             extern "C" {\n
 463                             #include <libavutil/pixdesc.h>\n
 464                             }\n
 465                             int main () { AVComponentDescriptor d; d.depth_minus1; }\n
 466                             """,
 467                    msg='Checking for AVComponentDescriptor::depth_minus1',
 468                    cxxflags='-Wno-unused-result -Wno-unused-value -Wdeprecated-declarations -Werror',
 469                    uselib='AVUTIL',
 470                    define_name='DCPOMATIC_HAVE_AVCOMPONENTDESCRIPTOR_DEPTH_MINUS1',
 471                    mandatory=False)
 472
 473     # See if we have av_register_all and avfilter_register_all
 474     conf.check_cxx(fragment="""
 475                             extern "C" {\n
 476                             #include <libavformat/avformat.h>\n
 477                             #include <libavfilter/avfilter.h>\n
 478                             }\n
 479                             int main () { av_register_all(); avfilter_register_all(); }\n
 480                             """,
 481                    msg='Checking for av_register_all and avfilter_register_all',
 482                    uselib='AVFORMAT AVFILTER',
 483                    define_name='DCPOMATIC_HAVE_AVREGISTER',
 484                    mandatory=False)
 485
 486     # Hack: the previous two check_cxx calls end up copying their (necessary) cxxflags
 487     # to these variables.  We don't want to use these for the actual build, so clean them out.
 488     conf.env['CXXFLAGS_AVCODEC'] = []
 489     conf.env['CXXFLAGS_AVUTIL'] = []
 490
 491     if conf.env.TARGET_LINUX:
 492         conf.env.LIB_X11 = ['X11']
 493
 494     # We support older boosts on Linux so we can use the distribution-provided package
 495     # on Centos 7, but it's good if we can use 1.61 for boost::dll::program_location()
 496     boost_version = ('1.45', '104500') if conf.env.TARGET_LINUX else ('1.61', '106800')
 497
 498     # Boost
 499     if conf.options.static_boost:
 500         conf.env.STLIB_BOOST_THREAD = ['boost_thread']
 501         conf.env.STLIB_BOOST_FILESYSTEM = ['boost_filesystem%s' % boost_lib_suffix]
 502         conf.env.STLIB_BOOST_DATETIME = ['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix]
 503         conf.env.STLIB_BOOST_SIGNALS2 = ['boost_signals2']
 504         conf.env.STLIB_BOOST_SYSTEM = ['boost_system']
 505         conf.env.STLIB_BOOST_REGEX = ['boost_regex']
 506     else:
 507         conf.check_cxx(fragment="""
 508                             #include <boost/version.hpp>\n
 509                             #if BOOST_VERSION < %s\n
 510                             #error boost too old\n
 511                             #endif\n
 512                             int main(void) { return 0; }\n
 513                             """ % boost_version[1],
 514                        mandatory=True,
 515                        msg='Checking for boost library >= %s' % boost_version[0],
 516                        okmsg='yes',
 517                        errmsg='too old\nPlease install boost version %s or higher.' % boost_version[0])
 518
 519         conf.check_cxx(fragment="""
 520                             #include <boost/thread.hpp>\n
 521                             int main() { boost::thread t; }\n
 522                             """,
 523                        msg='Checking for boost threading library',
 524                        libpath='/usr/local/lib',
 525                        lib=[boost_thread, 'boost_system%s' % boost_lib_suffix],
 526                        uselib_store='BOOST_THREAD')
 527
 528         conf.check_cxx(fragment="""
 529                             #include <boost/filesystem.hpp>\n
 530                             int main() { boost::filesystem::copy_file ("a", "b"); }\n
 531                             """,
 532                        msg='Checking for boost filesystem library',
 533                        libpath='/usr/local/lib',
 534                        lib=['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 535                        uselib_store='BOOST_FILESYSTEM')
 536
 537         conf.check_cxx(fragment="""
 538                             #include <boost/date_time.hpp>\n
 539                             int main() { boost::gregorian::day_clock::local_day(); }\n
 540                             """,
 541                        msg='Checking for boost datetime library',
 542                        libpath='/usr/local/lib',
 543                        lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
 544                        uselib_store='BOOST_DATETIME')
 545
 546         conf.check_cxx(fragment="""
 547                             #include <boost/signals2.hpp>\n
 548                             int main() { boost::signals2::signal<void (int)> x; }\n
 549                             """,
 550                        msg='Checking for boost signals2 library',
 551                        uselib_store='BOOST_SIGNALS2')
 552
 553         conf.check_cxx(fragment="""
 554                             #include <boost/regex.hpp>\n
 555                             int main() { boost::regex re ("foo"); }\n
 556                             """,
 557                        msg='Checking for boost regex library',
 558                        lib=['boost_regex%s' % boost_lib_suffix],
 559                        uselib_store='BOOST_REGEX')
 560
 561         # Really just checking for the header here (there's no associated library) but the test
 562         # program has to link with boost_system so I'm doing it this way.
 563         if conf.options.enable_disk:
 564             deps = ['boost_system%s' % boost_lib_suffix]
 565             if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 566                 deps.append('ws2_32')
 567                 deps.append('boost_filesystem%s' % boost_lib_suffix)
 568             conf.check_cxx(fragment="""
 569                                 #include <boost/process.hpp>\n
 570                                 int main() { new boost::process::child("foo"); }\n
 571                                 """,
 572                            cxxflags='-Wno-unused-parameter',
 573                            msg='Checking for boost process library',
 574                            lib=deps,
 575                            uselib_store='BOOST_PROCESS')
 576
 577     # Other stuff
 578
 579     conf.find_program('msgfmt', var='MSGFMT')
 580     conf.check(header_name='valgrind/memcheck.h', mandatory=False)
 581
 582     datadir = conf.env.DATADIR
 583     if not datadir:
 584         datadir = os.path.join(conf.env.PREFIX, 'share')
 585
 586     conf.define('LOCALEDIR', os.path.join(datadir, 'locale'))
 587     conf.define('DATADIR', datadir)
 588
 589     conf.recurse('src')
 590     if not conf.env.DISABLE_TESTS:
 591         conf.recurse('test')
 592
 593     Logs.pprint('YELLOW', '')
 594     if conf.env.TARGET_WINDOWS_64 or conf.env.TARGET_WINDOWS_32:
 595         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Windows')
 596     elif conf.env.TARGET_LINUX:
 597         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': Linux')
 598     elif conf.env.TARGET_OSX:
 599         Logs.pprint('YELLOW', '\t' + 'Target'.ljust(25) + ': OS X')
 600
 601     def report(name, variable):
 602         linkage = ''
 603         if variable:
 604             linkage = 'static'
 605         else:
 606             linkage = 'dynamic'
 607         Logs.pprint('YELLOW', '\t%s: %s' % (name.ljust(25), linkage))
 608
 609     report('DCP-o-matic libraries', conf.options.static_dcpomatic)
 610     report('Boost', conf.options.static_boost)
 611     report('wxWidgets', conf.options.static_wxwidgets)
 612     report('FFmpeg', conf.options.static_ffmpeg)
 613     report('libxml++', conf.options.static_xmlpp)
 614     report('xmlsec', conf.options.static_xmlsec)
 615     report('libssh', conf.options.static_ssh)
 616     report('libcxml', conf.options.static_cxml)
 617     report('libdcp', conf.options.static_dcp)
 618     report('libcurl', conf.options.static_curl)
 619
 620     Logs.pprint('YELLOW', '')
 621
 622 def build(bld):
 623     create_version_cc(VERSION, bld.env.CXXFLAGS)
 624
 625     # waf can't find these dependencies by itself because they are only included if DCPOMATIC_GROK is defined,
 626     # and I can't find a way to pass that to waf's dependency scanner
 627     if bld.env.ENABLE_GROK:
 628         for dep in (
 629                 'src/lib/j2k_encoder.cc',
 630                 'src/tools/dcpomatic.cc',
 631                 'src/tools/dcpomatic_server.cc',
 632                 'src/tools/dcpomatic_server_cli.cc',
 633                 'src/tools/dcpomatic_batch.cc'
 634         ):
 635             bld.add_manual_dependency(bld.path.find_node(dep), bld.path.find_node('src/lib/grok/context.h'))
 636             bld.add_manual_dependency(bld.path.find_node(dep), bld.path.find_node('src/lib/grok/messenger.h'))
 637
 638         bld.add_manual_dependency(bld.path.find_node('src/wx/full_config_dialog.cc'), bld.path.find_node('src/wx/grok/gpu_config_panel.h'))
 639
 640     bld.recurse('src')
 641     bld.recurse('graphics')
 642
 643     if not bld.env.DISABLE_TESTS:
 644         bld.recurse('test')
 645     if bld.env.TARGET_WINDOWS_64 or bld.env.TARGET_WINDOWS_32:
 646         bld.recurse('platform/windows')
 647     if bld.env.TARGET_LINUX:
 648         bld.recurse('platform/linux')
 649     if bld.env.TARGET_OSX:
 650         bld.recurse('platform/osx')
 651
 652     if not bld.env.TARGET_WINDOWS_64 and not bld.env.TARGET_WINDOWS_32:
 653         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Regular.ttf')
 654         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Italic.ttf')
 655         bld.install_files('${PREFIX}/share/dcpomatic2', 'fonts/LiberationSans-Bold.ttf')
 656
 657     bld.add_post_fun(post)
 658
 659 def git_revision():
 660     if not os.path.exists('.git'):
 661         return None
 662
 663     cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 664     output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 665     if len(output) == 0:
 666         return None
 667     o = output[0].decode('utf-8')
 668     return o.replace("commit ", "")[0:10]
 669
 670 def dist(ctx):
 671     r = git_revision()
 672     if r is not None:
 673         f = open('.git_revision', 'w')
 674         print(r, file=f)
 675         f.close()
 676
 677     ctx.excl = """
 678                TODO core *~ src/wx/*~ src/lib/*~ builds/*~ doc/manual/*~ src/tools/*~ *.pyc .waf* build .git
 679                deps alignment hacks sync *.tar.bz2 *.exe .lock* *build-windows doc/manual/pdf doc/manual/html
 680                GRSYMS GRTAGS GSYMS GTAGS compile_commands.json
 681                """
 682
 683 def create_version_cc(version, cxx_flags):
 684     commit = git_revision()
 685     if commit is None and os.path.exists('.git_revision'):
 686         f = open('.git_revision', 'r')
 687         commit = f.readline().strip()
 688
 689     if commit is None:
 690         commit = 'release'
 691
 692     try:
 693         text =  '#include "version.h"\n'
 694         text += 'char const * dcpomatic_git_commit = \"%s\";\n' % commit
 695         text += 'char const * dcpomatic_version = \"%s\";\n' % version
 696
 697         t = ''
 698         for f in cxx_flags:
 699             f = f.replace('"', '\\"')
 700             t += f + ' '
 701         text += 'char const * dcpomatic_cxx_flags = \"%s\";\n' % t[:-1]
 702
 703         print('Writing version information to src/lib/version.cc')
 704         o = open('src/lib/version.cc', 'w')
 705         o.write(text)
 706         o.close()
 707     except IOError:
 708         print('Could not open src/lib/version.cc for writing\n')
 709         sys.exit(-1)
 710
 711 def post(ctx):
 712     if ctx.cmd == 'install' and ctx.env.TARGET_LINUX:
 713         ctx.exec_command('/sbin/ldconfig')
 714         exe = os.path.join(ctx.env['INSTALL_PREFIX'], 'bin/dcpomatic2_disk_writer')
 715         if os.path.exists(exe):
 716             os.system('setcap "cap_dac_override+ep cap_sys_admin+ep" %s' % exe)
 717
 718 def pot(bld):
 719     bld.recurse('src')
 720
 721 def pot_merge(bld):
 722     bld.recurse('src')
 723
 724 def supporters(bld):
 725     r = os.system('curl -m 2 -s -f https://dcpomatic.com/supporters.cc > src/wx/supporters.cc')
 726     if (r >> 8) == 0:
 727         r = os.system('curl -s -f https://dcpomatic.com/subscribers.cc > src/wx/subscribers.cc')
 728     if (r >> 8) != 0:
 729         raise Exception("Could not download supporters lists (%d)" % (r >> 8))
 730
 731 def tags(bld):
 732     os.system('etags src/lib/*.cc src/lib/*.h src/wx/*.cc src/wx/*.h src/tools/*.cc')
 733
 734 def cppcheck(bld):
 735     os.system('cppcheck --enable=all --quiet .')